| Aspect | Class B Pipefitter | Class A Pipefitter |
|---|
| Certifications | Typically requires a pipefitting license or certification, depending on state | Requires advanced certifications or licenses, often including state-specific licenses |
| Work Environment | Industrial plants, construction sites, and manufacturing facilities | More complex projects, including high-pressure systems and industrial plants |
| Employer & Industry Usage | Commonly employed in commercial and industrial sectors | Used in highly specialized or high-pressure systems within industrial settings |
Class B Pipefitters perform essential pipefitting tasks in industrial environments, requiring specific certifications. Class A Pipefitters typically handle more complex, high-pressure systems and often hold advanced licenses. The main difference lies in the complexity of work and certification requirements, with Class A Pipefitters generally working on more specialized projects.